← mecheval / run / a3-hex-bolt-pattern-01 / claude-mcp-claude-opus-4-7 / 20260611T181124Z-d4b0

run 20260611T181124Z-d4b0

a3-hex-bolt-pattern-01 · claude-mcp-claude-opus-4-7

Summary

statusfail
score0.33 (2/6)
submissionself-run
modelclaude-mcp-claude-opus-4-7 (anthropic)
started2026-06-11T18:11:24.643Z
ended2026-06-11T18:13:10.418Z
tokens577,516 in · 6,363 out · 583,879 total
wallclock105.8s
tool calls34
task hash01a4b0ae34f8c19b…
vcad hash6d085b1e53480a8a…

Prompt

Make a flat square plate 60mm × 60mm × 8mm thick. Center it in X and Y with the bottom face on the XY plane (z = 0 to z = 8). Drill seven through-holes of diameter 5mm, axes parallel to Z, arranged in a hexagonal grid pattern: one hole at the center (0, 0), and six surrounding holes at the vertices of a regular hexagon with circumradius 15mm (distance from center to each surrounding hole is exactly 15mm). The first surrounding hole is on the +X axis, and the remaining five are evenly spaced every 60 degrees. Output a single solid.

Checks

0
valid_solid
pass
params + details 
params: {
  "type": "valid_solid"
}

details: {
  "root_count": 2,
  "solids_produced": 2
}
1
bbox
fail
X off by +30.00mm
params + details 
params: {
  "type": "bbox",
  "min": [
    -30,
    -30,
    0
  ],
  "max": [
    30,
    30,
    8
  ],
  "tolerance_mm": 0.1
}

details: {
  "actual_max": [
    60,
    60,
    8
  ],
  "actual_min": [
    -30,
    -30,
    0
  ],
  "deviation_max": [
    30,
    30,
    0
  ],
  "deviation_min": [
    0,
    0,
    0
  ],
  "max_abs_deviation_mm": 30,
  "tolerance_mm": 0.1
}
2
mass_props
fail
volume off by 107.9%
params + details 
params: {
  "type": "mass_props",
  "volume_mm3": 27700.44,
  "tolerance_pct": 0.5
}

details: {
  "volume": {
    "actual_mm3": 57600,
    "deviation_pct": 107.93893526601022,
    "pass": false,
    "spec_mm3": 27700.44,
    "tolerance_pct": 0.5
  }
}
3
hole_count
fail
found 0/7 holes of ⌀5mm
params + details 
params: {
  "type": "hole_count",
  "diameter_mm": 5,
  "expected": 7,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 0,
  "diameter_mm": 5,
  "diameter_tolerance_mm": 0.05,
  "expected": 7,
  "found": []
}
4
hole_positions
fail
7/7 mispositioned
params + details 
params: {
  "type": "hole_positions",
  "diameter_mm": 5,
  "positions": [
    [
      0,
      0,
      0
    ],
    [
      15,
      0,
      0
    ],
    [
      7.5,
      12.99,
      0
    ],
    [
      -7.5,
      12.99,
      0
    ],
    [
      -15,
      0,
      0
    ],
    [
      -7.5,
      -12.99,
      0
    ],
    [
      7.5,
      -12.99,
      0
    ]
  ],
  "tolerance_mm": 0.2
}

details: {
  "diameter_mm": 5,
  "per_expected": [
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        0,
        0
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        15,
        0
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        7.5,
        12.99
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -7.5,
        12.99
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -15,
        0
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -7.5,
        -12.99
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        7.5,
        -12.99
      ]
    }
  ],
  "tolerance_mm": 0.2,
  "unmatched_extras": []
}
5
step_roundtrip
pass
params + details 
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 0.5
}

details: {
  "per_solid": [
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          60,
          60,
          8
        ],
        "original_min": [
          0,
          0,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          60,
          60,
          8
        ],
        "roundtripped_min": [
          0,
          0,
          0
        ],
        "tolerance_mm": 0.4261455150532503
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 28800,
        "pass": true,
        "roundtripped_mm3": 28800
      }
    },
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          30,
          30,
          8
        ],
        "original_min": [
          -30,
          -30,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          30,
          30,
          8
        ],
        "roundtripped_min": [
          -30,
          -30,
          0
        ],
        "tolerance_mm": 0.4261455150532503
      },
      "index": 1,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 28800,
        "pass": true,
        "roundtripped_mm3": 28800
      }
    }
  ],
  "tolerance_pct": 0.5
}

Tool calls

0
open_document
ok
2ms
args
{}
1
create
err
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "difference",
  "name": "Plate with hex holes",
  "params": {
    "tool": {
      "op": "Union",
      "children": [
        {
          "op": "Translate",
          "x": 0,
          "y": 0,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": 15,
          "y": 0,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": 7.5,
          "y": 12.9903810567666,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": -7.5,
          "y": 12.9903810567666,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": -15,
          "y": 0,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": -7.5,
          "y": -12.9903810567666,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        },
        {
          "op": "Translate",
          "x": 7.5,
          "y": -12.9903810567666,
          "z": -1,
          "child": {
            "op": "Cylinder",
            "radius": 2.5,
            "height": 10
          }
        }
      ]
    },
    "subject": {
      "op": "Translate",
      "x": -30,
      "y": -30,
      "z": 0,
      "child": {
        "op": "Cube",
        "x": 60,
        "y": 60,
        "z": 8
      }
    }
  }
}
2
read
ok
4ms
args
{
  "document_id": "doc_1781201484812_1"
}
3
create_cad_loon
ok
11ms
args
{
  "source": "[let plate [translate -30 -30 0 [cube 60 60 8]]\n  [let hole [translate 0 0 -1 [cylinder 2.5 10]]\n    [difference\n      [union\n        [translate 15 0 0 hole]\n        [union\n          [translate 7.5 12.9903810567666 0 hole]\n          [union\n            [translate -7.5 12.9903810567666 0 hole]\n            [union\n              [translate -15 0 0 hole]\n              [union\n                [translate -7.5 -12.9903810567666 0 hole]\n                [union\n                  [translate 7.5 -12.9903810567666 0 hole]\n                  hole]]]]]]\n      plate]]]",
  "format": "json"
}
4
create
ok
4ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cube",
  "name": "PlateCube",
  "params": {
    "size": {
      "x": 60,
      "y": 60,
      "z": 8
    }
  }
}
5
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "1"
}
6
delete
ok
4ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "1"
}
7
create
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cube",
  "name": "PlateCube",
  "params": {
    "size": {
      "x": 60,
      "y": 60,
      "z": 8
    }
  }
}
8
create
ok
6ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "translate",
  "name": "PlateCentered",
  "parent_part_id": "1",
  "params": {
    "offset": {
      "x": -30,
      "y": -30,
      "z": 0
    },
    "child": 1
  }
}
9
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1"
}
10
read
ok
6ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "2"
}
11
create
err
4ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cylinder",
  "name": "HoleCyl",
  "params": {
    "radius": 2.5,
    "height": 10
  }
}
12
create
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cylinder",
  "name": "HoleCyl",
  "params": {
    "radius": 2.5,
    "height": 10,
    "segments": 64
  }
}
13
delete
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "3"
}
14
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1"
}
15
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "1"
}
16
delete
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "1"
}
17
delete
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "2"
}
18
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1"
}
19
create
ok
4ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cube",
  "name": "PlateCube",
  "params": {
    "size": {
      "x": 60,
      "y": 60,
      "z": 8
    }
  }
}
20
create
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "translate",
  "name": "PlateCentered",
  "parent_part_id": "1",
  "params": {
    "offset": {
      "x": -30,
      "y": -30,
      "z": 0
    },
    "child": 1
  }
}
21
read
ok
2ms
args
{
  "document_id": "doc_1781201484812_1"
}
22
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "2"
}
23
delete
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "1"
}
24
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "2"
}
25
create
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cylinder",
  "name": "Hole0Cyl",
  "parent_part_id": "2",
  "params": {
    "radius": 2.5,
    "height": 10,
    "segments": 64
  }
}
26
read
ok
2ms
args
{
  "document_id": "doc_1781201484812_1"
}
27
read
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "3"
}
28
delete
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "2"
}
29
delete
ok
1ms
args
{
  "document_id": "doc_1781201484812_1",
  "part_id": "3"
}
30
create
err
4ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "difference",
  "name": "PlateWithHoles",
  "params": {
    "left": {
      "type": "Translate",
      "offset": {
        "x": -30,
        "y": -30,
        "z": 0
      },
      "child": {
        "type": "Cube",
        "size": {
          "x": 60,
          "y": 60,
          "z": 8
        }
      }
    },
    "right": {
      "type": "Union",
      "left": {
        "type": "Translate",
        "offset": {
          "x": 0,
          "y": 0,
          "z": -1
        },
        "child": {
          "type": "Cylinder",
          "radius": 2.5,
          "height": 10,
          "segments": 64
        }
      },
      "right": {
        "type": "Union",
        "left": {
          "type": "Translate",
          "offset": {
            "x": 15,
            "y": 0,
            "z": -1
          },
          "child": {
            "type": "Cylinder",
            "radius": 2.5,
            "height": 10,
            "segments": 64
          }
        },
        "right": {
          "type": "Union",
          "left": {
            "type": "Translate",
            "offset": {
              "x": 7.5,
              "y": 12.9903810567666,
              "z": -1
            },
            "child": {
              "type": "Cylinder",
              "radius": 2.5,
              "height": 10,
              "segments": 64
            }
          },
          "right": {
            "type": "Union",
            "left": {
              "type": "Translate",
              "offset": {
                "x": -7.5,
                "y": 12.9903810567666,
                "z": -1
              },
              "child": {
                "type": "Cylinder",
                "radius": 2.5,
                "height": 10,
                "segments": 64
              }
            },
            "right": {
              "type": "Union",
              "left": {
                "type": "Translate",
                "offset": {
                  "x": -15,
                  "y": 0,
                  "z": -1
                },
                "child": {
                  "type": "Cylinder",
                  "radius": 2.5,
                  "height": 10,
                  "segments": 64
                }
              },
              "right": {
                "type": "Union",
                "left": {
                  "type": "Translate",
                  "offset": {
                    "x": -7.5,
                    "y": -12.9903810567666,
                    "z": -1
                  },
                  "child": {
                    "type": "Cylinder",
                    "radius": 2.5,
                    "height": 10,
                    "segments": 64
                  }
                },
                "right": {
                  "type": "Translate",
                  "offset": {
                    "x": 7.5,
                    "y": -12.9903810567666,
                    "z": -1
                  },
                  "child": {
                    "type": "Cylinder",
                    "radius": 2.5,
                    "height": 10,
                    "segments": 64
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
31
create
ok
2ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "cube",
  "name": "PlateCube",
  "params": {
    "size": {
      "x": 60,
      "y": 60,
      "z": 8
    }
  }
}
32
create
ok
3ms
args
{
  "document_id": "doc_1781201484812_1",
  "type": "translate",
  "name": "PlateCentered",
  "parent_part_id": "1",
  "params": {
    "offset": {
      "x": -30,
      "y": -30,
      "z": 0
    },
    "child": 1
  }
}
33
get_document
ok
1ms
args
{
  "document_id": "doc_1781201484812_1"
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260611T181124Z-d4b0.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "PlateCube",
      "op": {
        "type": "Cube",
        "size": {
          "x": 60,
          "y": 60,
          "z": 8
        }
      }
    },
    "2": {
      "id": 2,
      "name": "PlateCentered",
      "op": {
        "type": "Translate",
        "child": 1,
        "offset": {
          "x": -30,
          "y": -30,
          "z": 0
        }
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 1,
      "material": "default"
    },
    {
      "root": 2,
      "material": "default"
    }
  ]
}
mecheval · an evaluation suite by Municipal Robotics
sibling project: vcad. · github

generated 2026-06-19T01:47:55.850Z · static site, regenerate with npm run build -w @mecheval/leaderboard